79401520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3970

約数の個数: 80

約数和(自身を含む): 210200832

約数和(自身を除く): 130799312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3923, 4048, 5060, 7846, 10120, 15692, 19615, 20240, 31384, 39230, 43153, 62768, 78460, 86306, 90229, 156920, 172612, 180458, 215765, 313840, 345224, 360916, 431530, 451145, 690448, 721832, 863060, 902290, 992519, 1443664, 1726120, 1804580, 1985038, 3452240, 3609160, 3970076, 4962595, 7218320, 7940152, 9925190, 15880304, 19850380, 39700760, 79401520]

約数ペア:

[(1, 79401520), (2, 39700760), (4, 19850380), (5, 15880304), (8, 9925190), (10, 7940152), (11, 7218320), (16, 4962595), (20, 3970076), (22, 3609160), (23, 3452240), (40, 1985038), (44, 1804580), (46, 1726120), (55, 1443664), (80, 992519), (88, 902290), (92, 863060), (110, 721832), (115, 690448), (176, 451145), (184, 431530), (220, 360916), (230, 345224), (253, 313840), (368, 215765), (440, 180458), (460, 172612), (506, 156920), (880, 90229), (920, 86306), (1012, 78460), (1265, 62768), (1840, 43153), (2024, 39230), (2530, 31384), (3923, 20240), (4048, 19615), (5060, 15692), (7846, 10120)]